package com.tan.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

/**
 * redis配置
 * 
 * @author
 */
@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport{

    @Bean
    @SuppressWarnings(value = { "unchecked", "rawtypes" })
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory)
    {
        //为了我们自己开发方便，一般直接使用<String,Object>
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(connectionFactory);
        Jackson2JsonRedisSerializer<Object> objectJackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(Object.class);
        //json序列化配置
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        // 解决jackson2无法反序列化LocalDateTime的问题
        om.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
        om.registerModule(new JavaTimeModule());
        objectJackson2JsonRedisSerializer.setObjectMapper(om);
        //String的序列化
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();
        //key采用String序列化方式
        template.setKeySerializer(stringRedisSerializer);
        //hash的key也采用String的序列化方式
        template.setHashKeySerializer(stringRedisSerializer);
        //value的序列化方式采用jackson
        template.setValueSerializer(objectJackson2JsonRedisSerializer);
        //hash的value序列化方式采用jackson
        template.setHashValueSerializer(objectJackson2JsonRedisSerializer);
        template.afterPropertiesSet();

        return template;
    }
}
